package com.cars.util.applicationContext;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @description: 获取applicationContext对象
 * @author: 孔垂云
 * @version: 1.0
 * @date: 2020/7/14 23:25
 */
@Component
public class ApplicationContextHelper implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    public ApplicationContextHelper() {
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        ApplicationContextHelper.applicationContext = applicationContext;
    }

    public static Object getBean(String beanName) {
        return applicationContext != null ? applicationContext.getBean(beanName) : null;
    }
}